Power Protection and Conditioning 1 STC-DRS Series, DIN Rail Protection Using three-stage hybrid technology, this DIN Rail mount- able, single pair, surge suppressor attenuates over-voltage transients with gas tubes and silicon avalanche components while resetable fuses (PTCs) mitigate sneak currents. The PTC increases resistance by several orders of magnitude when over-currents exceed safe levels. A normal state resumes when over-currents are removed. The ability to self-restore in this manner significantly increases suppressor performance and survivability. The STC-DRS Series mounts onto a standard 35 mm industrial DIN rail. There are three Field Side and three Electronics Side screw terminals. One is reserved for a shield. Three electrically tied ground terminals are provided for grounding the unit to building-approved ground. The Dimensional Diagram - in. (mm) shield is isolated from ground. 0.8 (20.3) Features Low-Voltage data surge protection Three-Stage hybrid technology Sneak/Fault current protection with 2.95 (75.0) resetable fuses (PTCs) 2.25 (57.2) Low profile packaging Easy installation Fits standard 35 mm DIN Rail Fast response time <1 nanosecond 1.1 0.8 (28.0) (20.3) Five year limited warranty Notes: Certifications and Compliances These protectors are intended for indoor use on communication loop circuits that have been isolated from the Public Switch Telephone Listed Network. - UL 497B The communication loop circuits shall not be exposed to accidental RoHS Compliant contact with the electric light or power conductors. The protectors shall be installed per the applicable requirements of the National Electric Code, ANSI/NFPA 70. Selection Table Nominal Max Current Max Nominal Catalog Max Peak Peak Current Typ. Cap Breakdown 1p 10X1000 ms Continuous Series Number Signal Voltage 8X20 ms (PF) Voltage (Occurrences) Current Resistance 15 22 >100 10KA 1500 150ma 5 STC-DRS-232 30 36 >100 10KA 1500 150ma 5 STC-DRS-036 52 60 >100 10KA 1500 150ma 5 STC-DRS-060 Contact Technical Services at (800) 377-4384 with any questions. 37 Visit our website at www.solahd.com.